.tab-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    border-top: 1px solid #ccc;
    height: 136px;
    .MuiBottomNavigationAction-label {
        font-size: 30px;
        &.Mui-selected{
            font-size: 30px;
        }
    }
    img {
        width: 60px;
        height: 60px;
    }
}